Structural and Optical Properties of Mg Doped ZnO Thin Films Deposited by DC Magnetron Sputtering
This paper reports the growth and characterization of transparent magnesium doped zinc oxide (ZnO:Mg) thin films prepared on glass substrates by dc magnetron sputtering. The effects of the Mg concentrations (0, 1 and 5 at %) and working gas compositions (pure Ar and Ar-O2 mixture) on the structural...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Sumy State University
2016-11-01
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| Series: | Журнал нано- та електронної фізики |
| Subjects: | |
| Online Access: | http://jnep.sumdu.edu.ua/download/numbers/2016/4/articles/jnep_8_4(2)_04053.pdf |
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| Summary: | This paper reports the growth and characterization of transparent magnesium doped zinc oxide (ZnO:Mg) thin films prepared on glass substrates by dc magnetron sputtering. The effects of the Mg concentrations (0, 1 and 5 at %) and working gas compositions (pure Ar and Ar-O2 mixture) on the structural and optical properties of the ZnO:Mg thin films were investigated. The experiment results showed that the ZnO and ZnO:Mg thin films are polycrystalline with a hexagonal wurtzite structure exhibiting a preferred (002) crystal plane orientation. The results indicated that the crystallinity of ZnO:Mg thin films was significantly affected by both Mg-doping and the woking gas composition. Optical studies revealed that the optical band gap increases with Mg concentration. |
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| ISSN: | 2077-6772 |